CN101227746A

CN101227746A - Mobile communication network-based positioning system and method

Info

Publication number: CN101227746A
Application number: CNA2008100578425A
Authority: CN
Inventors: 汪健辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-19
Filing date: 2008-02-19
Publication date: 2008-07-23
Anticipated expiration: 2028-02-19
Also published as: CN101227746B

Abstract

An A-GPS positioning system comprises: mobile communication terminal user equipment which integrates a GPS module and supports an SUPL protocol and is used to obtain GPS satellite positioning data, send the data to a mobile communication network, and receive positioning and service data from the mobile communication network, a GPS parameter receiver which obtains GPS satellite data, a location-based service platform (LSP) which supports the SUPL protocol and is used to receive the positioning data of the terminal user equipment and the GPS satellite data which is obtained by the GPS parameter receiver, confirm location information of the terminal user equipment according to the data, is also used to obtain CELL-ID information of the terminal user equipment, transform the information into latitude and longitude information, send the positioning and service data to the terminal user equipment after processing finally according to the above information, and is used to exchange data with SP (access operation business) and an LSPP server which is used to authorize users, abstract the location information, and number the flow, the A-GPS positioning system also comprises a network management unit and an accounting unit.

Description

A kind of A-GPS navigation system and method based on mobile communications network

Technical field:

What the present invention relates to is mobile communication subscriber terminal equipment location technology, is specifically related to a kind of A-GPS navigation system and method based on mobile communications network.

Background technology:

At present, in mobile communications network, the mobile positioning technique of end user device mainly contains three kinds: the A-GPS location technology that based on network cell identification CELL-ID location technology, E-OTD location technology, network mix with terminal.

CELL ID location technology is the cell ID number by mobile communications network, and target object is carried out location of poor quality.This kind positioning accuracy depends on the dense degree of wireless communications network base station, generally in the positioning accuracy in urban district about 200 meters.Because positioning accuracy is low, error is bigger, has therefore limited the development of location-based valued added applications business.

E-OTD is the base station location technology that has strengthened.This location technology needs mobile phone must receive base station signal more than 3.By the time difference (OTD) of mobile phone for measuring adjacent base station BCCH, and the asynchronous time difference (RTD) between LMU (location measurement unit) measurement base station, carry out position calculation by these data.Its positioning accuracy can reach 50 meters.

The GPS location technology is a location technology of utilizing satellite to carry out.Effective satellite that terminal only need monitor more than three can accurately be located target.Its positioning accuracy can reach about 10 meters.Its shortcoming mainly is can't position the sky being had in vain the place of blocking.

Therefore, (as: underground parking, tunnel, indoor etc.) can't learn user position information in a lot of places.The A-GPS location technology is that satellite fix and mobile communications network location technology are combined, adopt specific algorithm computation to go out the accurate position of target, be called A-GPS, in the existing A-GPS location technology, though solved the shortcoming of traditional position location techniques, but because its input cost is big, at the mobile communications network signal of end user device during strong or no signal, can not receive location and service data timely, and it is longer that end user device obtains time of locator data, increased the power consumption of end user device.

Summary of the invention:

The purpose of this invention is to provide a kind of A-GPS navigation system and method based on mobile communications network, it has the step flexible and convenient, be easy to management, input cost is cheap, location and service data are promptly and accurately, and can effectively reduce the characteristics such as power consumption of end user device, can solve the existing problem of background technology effectively.

For achieving the above object, the invention provides a kind of A-GPS navigation system, satellite fix and network positions technology are combined, utilize the end user device of mobile communications network and integration GPS module to carry out the location, exact position, with the CELL-ID locating information is the backup location, the data transfer mode (for example GPRS) of utilizing mobile communications network is the key data transmission means, serves as the backup transmission means with SMS and audio call, guarantees the promptness of data.As shown in Figure 1, this system comprises: integrate the mobile communication terminal user equipment of GPS module and support SUPL agreement, be used to obtain the gps satellite locator data and send to mobile communications network, and reception is from the location and the service data of mobile communications network; GPS parameter receiver obtains the gps satellite data; Support the Location Service Platform (LSP) of SUPL agreement, be used for the locator data of receiving terminal subscriber equipment and the gps satellite data that GPS parameter receiver obtains, determine the positional information of end user device according to described data, the CELL-ID information translation that also is used to obtain end user device is a latitude and longitude information, and finally handle the back according to above-mentioned information and send location and service data to end user device, and be used for SP (access carrier) exchanges data with interface is provided; The LSPP server is used for authentification of user, and positional information is extracted and traffic statistics; Described A-GPS navigation system also comprises network management unit and Charging Detail Record unit.

Another object of the present invention provides the processing method of a kind of A-GPS location, and as shown in Figure 2, described Location Service Platform (LSP) comprising:

LSP hard core control module, be mainly used in the processing of finishing based on the position requests of MSISDN, required precision according to request, in conjunction with the location technology ability that network has, take specific location technology, obtain user position information, when adopting the MAPATI locate mode that the called subscriber is positioned, need before the location, to send the short message of the breath content of not taking a message, carry out the position renewal, can obtain user's current position information when guaranteeing the location to trigger the user; The MLP module, as shown in Figure 3 and Figure 4, user right information and privacy information that the user is relevant with certain location application are stored in this module, finish authentication and management function to these information, the location service Portal function that relevant user personality data are provided with externally is provided simultaneously, the management function of SP and location service related data is realized and finishes that at DSMP concrete function is as follows all:

1, cooperate authentication, the authentication of finishing SP and each location service related data with DSMP,

2, cooperate authentication, the authentication of finishing user's conventional data with DSMP,

3, finishing user's performance data relevant with each location service safeguards, manages; Locating module, positioning accuracy for CELL-ID (MAP-ATI), its major function is with user's the CELL-ID information translation latitude and longitude information for the user, locate for AGPS, can support MS-Assisted, the algorithm of MS-Based and three kinds of locate modes of Stand-alone is supported with interface between the GPS Receiver management platform, under the situation that can't use A-GPS to position, LSP can use existing MAP-ATI mode to position; The ULP module is achieved as follows function:

1, the location service that the user is submitted to by short message mode is submitted to and is sent to SP;

2, externally provide unified interface, be the network providing capability of SP access carrier,

3, identification SP also determines the legitimacy of current service request, and the Location Request of SP is forwarded to the core network access module,

4, determine that can current service location satisfy, and send refusal and retry is indicated to SP,

5, the customer position information that obtains from the core network access module (latitude and longitude information or cartographic information) is sent to SP;

The RLP module is by the interconnecting interface agreement completing place service roaming between the LSP platform;

Described LSP platform also comprises GPS parameter receiver data processing module, is used to handle the gps satellite data that GPS parameter receiver obtains; Module is handled in network management, is used to handle the management request that the native system network management unit sends to the LSP platform; The accounting management module is used to handle the required data of native system Charging Detail Record unit.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a LSP platform structure schematic diagram of the present invention

Fig. 3 is a MLP modular structure schematic diagram of the present invention

Fig. 4 is a MLP module workflow block diagram of the present invention

Embodiment:

As shown in Figures 1 to 4, a kind of A-GPS navigation system and method based on mobile communications network is provided, Location Service Platform (LSP), LSPP server, network management unit and Charging Detail Record unit by the mobile communication terminal user equipment of integrating GPS module and support SUPL agreement, GPS parameter receiver, support SUPL agreement are formed, and wherein Location Service Platform (LSP) also comprises LSP hard core control module, MLP module, locating module, ULP module, RLP module, GPS parameter receiver data processing module, network management processing module and accounting management module.

What GPS parameter receiver was real-time obtains reference data from satellite, comprising: clock, reference position, ephemeris etc., and data are submitted to the GPS parameter receiver data processing module of LSP platform; After end user device sends the Location Request data, at first this end user device is authenticated by the LSPP server, after meeting authentication requesting, the LSPP server extracts GPS locator data and its CELL-ID locating information that end user device obtains by the GPS module of integrating, and the data that obtain are sent to LSP platform hard core control module via wherein ULP module; The hard core control module of LSP platform cooperates MLP module and locating module, handle according to the real-time reference data of GPS that the Location Request data and the GPS parameter receiver data processing module of end user device obtains, in this step, the LSP platform uses the mobile data passage to provide A-GPS auxiliary data to terminal module, be used for optimizing TTTF (how long can make response after the cold start-up) to the position, the A-GPS receiver module of end user device initialization time to satellite-signal is shortened, and improve the sensitivity of A-GPS receiver module; When end user device can't receive gps signal maybe need to satellite position again, when following the tracks of, end user device sends request to the LSP platform, after the LSP platform is handled up-to-date GPS reference data is sent to end user device, reduced the track and localization time of end user device, reduced the power consumption of end user device satellite; At the poor signal of the mobile data passage of end user device or when not having signal, then the LSP platform starts backup mode and sends locator data with note or voice mode to end user device.

Although the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various modifications, interpolation and replacement all are fine under the situation that does not break away from disclosed scope of the present invention of claim and essence for demonstration purpose.

Claims

1. A-GPS navigation system, satellite fix and network positions technology are combined, utilize the end user device of mobile communications network and integration GPS module to carry out the location, exact position, with the CELL-ID locating information is the backup location, the data transfer mode (for example GPRS) of utilizing mobile communications network is the key data transmission means, with SMS and audio call is the backup transmission means, guarantee the promptness of data, this system comprises: the mobile communication terminal user equipment of integrating GPS module and support SUPL agreement, be used to obtain the gps satellite locator data and send to mobile communications network, and reception is from the location and the service data of mobile communications network; GPS parameter receiver obtains the gps satellite data; Support the Location Service Platform (LSP) of SUPL agreement, be used for the locator data of receiving terminal subscriber equipment and the gps satellite data that GPS parameter receiver obtains, determine the positional information of end user device according to described data, the CELL-ID information translation that also is used to obtain end user device is a latitude and longitude information, and finally handle the back according to above-mentioned information and send location and service data to end user device, and be used for SP (access carrier) exchanges data with interface is provided; The LSPP server is used for authentification of user, and positional information is extracted and traffic statistics.

2. according to claim 1, described Location Service Platform (LSP) comprising:

(1) LSP hard core control module, be mainly used in the processing of finishing based on the position requests of MSISDN, required precision according to request, in conjunction with the location technology ability that network has, take specific location technology, obtain user position information, when adopting MAP ATI locate mode that the called subscriber is positioned, need before the location, to send the short message of the breath content of not taking a message, carry out the position renewal, can obtain user's current position information when guaranteeing the location to trigger the user;

(2) MLP module, user right information and privacy information that the user is relevant with certain location application are stored in this module, finish authentication and management function to these information, the location service Portal function that relevant user personality data are provided with externally is provided simultaneously, the management function of SP and location service related data is realized and finishes that at DSMP concrete function is as follows all:

(1) cooperate authentication, the authentication of finishing SP and each location service related data with DSMP,

(2) cooperate authentication, the authentication of finishing user's conventional data with DSMP,

(3) finishing user's performance data relevant with each location service safeguards, manages;

(3) locating module, positioning accuracy for CELL-ID (MAP-ATI), its major function is with user's the CELL-ID information translation latitude and longitude information for the user, locate for AGPS, can support MS-Assisted, the algorithm of MS-Based and three kinds of locate modes of Stand-alone is supported with interface between the GPS Receiver management platform, under the situation that can't use A-GPS to position, LSP can use existing MAP-ATI mode to position; (4) ULP module is achieved as follows function:

(1) location service that the user is submitted to by short message mode is submitted to and is sent to SP;

(2) externally provide unified interface, be the network providing capability of SP access carrier,

(3) identification SP also determines the legitimacy of current service request, and the Location Request of SP is forwarded to the core network access module,

(4) determine that can current service location satisfy, and send refusal and retry is indicated to SP,

(5) customer position information that obtains from the core network access module (latitude and longitude information or cartographic information) is sent to SP;

(5) RLP module is by the interconnecting interface agreement completing place service roaming between the LSP platform;

(6) GPS parameter receiver data processing module is used to handle the gps satellite data that GPS parameter receiver obtains;

(7) module is handled in network management, is used to handle the management request that the native system network management unit sends to the LSP platform;

(8) accounting management module is used to handle the required data of native system Charging Detail Record unit.